<template>
  <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option
          v-for="item in EmloyeesList"
          :key="item.id"
          :value="item.username"
          :label="item.username"
        />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small">确定</el-button>
      <el-button size="small" @click="$emit('close')">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getEmployeesSimple } from '@/api/employees'
import { addDepartments, getDepartmentsDeatil, updateDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    const validCode = (rule, value, callback) => {
      let existCodeList = this.originList.map(item => item.code)
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      if (existCodeList.includes(value)) {
        callback(new Error(`部门编码: ${value} 已存在`))
      } else {
        callback()
      }
    }
    const validName = (rule, value, callback) => {
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)

      if (this.isEdit) {
        // 所有的部门的数据 originList
        // 在所有的部门中找到当前编辑的部门数据对象
        const curDepartment = this.originList.find(item => item.id === this.id)
        const pid = curDepartment.pid
        // 所有的兄弟部门pid是一样的 找所有的兄弟 包括自己
        const brothers = this.originList.filter(item => item.pid === pid)
        // 排除自己
        existNameList = brothers.filter(item => item.id !== this.id).map(item => item.name)
      }
      console.log(existNameList)
      if (existNameList.includes(value)) {
        callback(new Error(`部门名称: ${value} 已存在`))
      } else {
        callback() // 放行
      }
    }
    return {
      form: {
        name: '',
        code: '',
        introduce: '',
        manager: ''
      }, rules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入长度为1~50的内容', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入长度为1~50的内容', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          { min: 1, max: 300, message: '请输入长度为1~300的内容', trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '请选择部门负责人', trigger: ['blur', 'change'] }

        ]

      },
      EmloyeesList: []
    }
  },
  // watch: {
  //   'id': function(newVal, oldVal) {
  //     this.loadDepartmentsDetail()
  //   },
  //   deep: true,
  //   immediate: true
  // },
  created() {
    this.loadEmployeessSimle()
    if (this.isEdit) {
      this.loadDepartmentsDetail()
    }
  },
  methods: {
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    async loadDepartmentsDetail() {
      try {
        const res = await getDepartmentsDeatil(this.id)
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    },
    hSubmit() {
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    async doEdit() {
      try {
        const res = await updateDepartments(this.form)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
      } catch (error) {
        console.log(error)
      }
    },
    async doAdd() {
      try {
        const res = await addDepartments({ ...this.form, pid: this.id })
        console.log(res, 'add')
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.$emit('success')
      } catch (error) {
        this.$message.error(error)
      }
    },
    async loadEmployeessSimle() {
      try {
        const res = await getEmployeesSimple()
        if (res.code === 10000) {
          this.EmloyeesList = res.data
        }
      } catch (error) {
        this.$$message.error(error)
      }
    }
  }
}
</script>
